qtcad.device.constants module

Physical constants (SI units).

Constants

• me – Electron mass, \(9.1093837015\times 10^{-31} \textrm{ kg}\)

• e – Elementary charge, \(1.60217662\times 10^{-19} \textrm{ C}\)

• h – Planck constant, \(6.62607004\times 10^{-34} \textrm{ J}\cdotp\textrm{s}\)

• hbar – Reduced Planck constant, \(\frac{h}{2\pi}\)

• kB – Boltzmann constant, \(1.380649\times 10^{-23} \textrm{ J}\cdotp\textrm{K}^{-1}\)

• eps0 – Vacuum permittivity, \(8.8541878128\times 10^{-12} \textrm{ F}\cdotp\textrm{m}^{-1}\)